Finding the Fourth Proportional to 102,048.20, 153,069.48 and 27,169.00
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Solution
The fourth proportional to 102,048.20, 153,069.48 and 27,169.00 is: 40,752.74
Step by Step Solution
- Step 1: Write the proportion equation
102,048.20 : 153,069.48 = 27,169.00 : x - Step 2: Convert to fraction form
102,048.20/153,069.48 = 27,169.00/x - Step 3: Cross multiply
102,048.20x = 153,069.48 × 27,169.00 - Step 4: Simplify right side
102,048.20x = 4,158,743,936.77 - Step 5: Solve for x
x = 4,158,743,936.77/102,048.20 - Step 6: Final answer
x = 40,752.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.